BOOL is_ion_binary(char* filename) { return suffix_matches(filename, ".10n"); }
Bool is_outer_file(char* s) { return suffix_matches(s, Plat.outer_suffixes()); }
BOOL is_ion_text(char* filename) { return suffix_matches(filename, ".ion"); }
BOOL is_ion_binary(char* filename) { return suffix_matches(filename, ".10n"); }
Bool is_outer_file(char* s) { return suffix_matches(s, Plat.outer_suffixes()); }
BOOL is_ion_text(char* filename) { return suffix_matches(filename, ".ion"); }